一般不引起肺血管变化的心脏病是A．房间隔缺损 B．风湿性心脏病

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问题单项选择题

一般不引起肺血管变化的心脏病是

A．房间隔缺损

B．风湿性心脏病二尖瓣狭窄

C．法洛四联症

D．冠心病

E．室间隔缺损

答案

参考答案：D

解析：冠心病是因冠状动脉样硬化，心肌血液供应发生障碍引起的心脏病。一般不引起肺血管变化。

补全对话，情景问答

补全对话。

Alice's mother is ill. She wants to take a few days off. She goes to her teacher.

A: Excuse me, Mr Green, I'd like to take a few days off.

G: __1__

A: My mother is ill.I have to look after her.

G: __2__ Is there anything I can help?

A: No, thank you. My mother has a bad cold and high fever. The doctor says she has to be in hospital for

a few days. I have to be with her.

G: I know. __3__.

A: Next Wednesday.

G: OK.I hope your mother will feel better soon.

A: __4__, Mr Green. It's very kind of you.

G: __5__ I'll certainly help you with your lessons when you get back.

填空题

在粗氩塔粗氩冷凝器底部引出一股液空回流上塔下部，其目的是增加液空（），保持粗氩冷凝器内的（）。